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51
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Standard Adjustment
(19) How to change the spreader
1. Changing the spreader
When the needle bar stroke is changed, be sure to perform the adjustment of (6) -1. the height of the spreader.
(1). Height from the top surface of throat plate
2
to spreader
1
is 10.0 to 10.5 mm.
(2). Clearance provided between spreader
1
and spreader thread guide
2
is 0.4 to 1.0 mm.
(3). Clearance provided between spreader thread guide
3
and needle clamp thread guide
4
is 0.8 to 1.2 mm.
0.8 to 1.2 mm
0.4 to 1.0 mm
10.0 to 10.5 mm
4
3
1
2